Past perfect continuous

My family had been __________ a picnic when it started to rain.

Marcus had been __________ for his cap since yesterday.

My students had _________ practicing a lot for this test.

You had been ___________ the party but the electricity went out.

They _________ been studying at school today.

Your friends had _______ _____________ hard on the project.

Jessy __________ ____________ ____________ for hours.

People ________ ___________ _________ because of the sad movie.

Family members _______ ________ ________ groceries at the supermarket.

Soccer players ________ ________ ________ their best but they fail the game.